dez_borders wrote:I feel your statement that the N95 GPS is 'isn't that great' is inncccurate and somewhat unfair.
Well, IMHO, it isn't that great. Let me quantify that.
I often have to work at the Ministry Of Justice offices in Birmingham City Centre. The car park for this is underground. Before I leave, I turn everything on (phone, TomTom, GPS) and when I emerge into the open air, I'm immediately on a roundabout, surrounded on most sides by buildings at least 6 or 7 storeys high.
Google Map
Live Maps Birds Eye View with GPS lock locations
Within 200 yards, my 44 Channel external GPS has locked on. I tried the same procedure with the N95 internal GPS and only got a lock when I got on to the Aston Expressway, heading towards the M6, about a mile away.
I have performed this test on a number of occasions and all in varying weather conditions, and get the same results every time.
I even went out on a trip today and tried a little test. I live in the Suffolk countryside, surrounded by low lying fields and covered by big open skies. Using the Nokia Maps application, I got an almost immediate lock with the external GPS. I then switched this off, restarted the app and waited a good minute or so for the internal GPS to get a lock. A reasonably fair, if not wholly scientific, test I'm sure you'll agree.
Side by side, the internal GPS on the phone is not as good as an external device. The introduction of A-GPS certainly helps. An external device with 32 or more channels will always perform better as whilst we can only ever "see" about 10 of the GPS satellites at any one time, having more channels means you will pick more of them up. On today's test, I had about 5 using the internal, and about 10 using the external. I can put my external receiver in the glovebox of my car and still get that level of reception.
Don't get me wrong. I think the very fact that Nokia have included GPS is a marvellous thing. It has pushed the boundaries of what these devices can be and that should be applauded. It won't be long, I'm sure, till we have phones with comparable GPS receivers and then this debate will be moot 😊